         .enter
         (.append "circle")
         (.attr "class" "node")
+        (.style "fill" "#777A7A")
         (.attr "cx" (fn [d i] (:x (positions i))))
         (.attr "cy" (fn [d i] (:y (positions i))))
         (.attr "r" (fn [d i] (project-radius (distances-from-camera i)))))))

        .enter
        (.append "line")
        (.attr "class" "link")
        (.style "stroke" "black")
        (.style "stroke-width" 1)
        (.attr "x1" #(-> % :source positions :x))
        (.attr "y1" #(-> % :source positions :y))
        (.attr "x2" #(-> % :target positions :x))

      (.append "rect")
      (.attr "width" width)
      (.attr "height" height)
      (.attr "fill" "#EDF0F2")
      (.attr "stroke" 0)))

(defn setup-svg! [selector width height]
